All electrons in an atom are placed into shells according to electron energies. ... The ground state is determined by always placing each electron into the lowest energy subshell<span>.
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Explanation:
Given that,
The density of mercury is 13.5 g/mL
The density of Bromine is 3.12 g/cm³
It is mentioned that Mercury and bromine have the same mass. Let d₁,d₂ are the density of Mercury and Bromine. V₁ and V₂ are their volumes. So,


Since, mass is same.
So,

Hence, the volume of bromine is more than that of mercury. It is 4.32 times of the density of mercury.
The statue will weather faster because of more surface area.
A.) Phosphate ion or Orthophosphate
d.) Hydroxide
D.) Ammonium
e.) Iron
C.) Nitrate
f.) Sulfur dioxide